darkcomet | a6fde14766765f1017d43c3656378c61afe03afbb5f642dd25d563bf871b3a72

General

Target

JaffaCakes118_98e5f335a2c2bbfe4a93c31b368657a1.exe
Size

1.7MB
MD5

98e5f335a2c2bbfe4a93c31b368657a1
SHA1

8ce3ba02818bd085cf3ebf257352adf1d9572f34
SHA256

a6fde14766765f1017d43c3656378c61afe03afbb5f642dd25d563bf871b3a72
SHA512

77ea8eadf4d873ad28e853dabe37cebf87872ca7da2ddc2d2cb2677b3e11c372f9c649b2ff0a003e9106d245f5850336ee988ab463024138b5f98b6e28f4f2b3
SSDEEP

24576:DF8Dcs6W9lhchAdOfVmrdDuOr1Hna8gZXC9dAcAQJGM2OfNFnFo6GwwMsJNZe5VV:ZsPg9mr1fRHAC882OFTo6lXLaE

Score

10^/10

darkcomet guest1 defense_evasion discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest1

C2

suckmaboolz.no-ip.info:100

Mutex

DC_MUTEX-A7J6JP9

Attributes

gencode
52$ZSkFTMi1G
install
false
offline_keylogger
true
password
sdlksdlk
persistence
false

rc4.plain

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	safed.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	safed.exe

Executes dropped EXE 1 IoCs

pid	Process
4928	safed.exe

Windows security modification 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	safed.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	safed.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	safed.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	safed.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	safed.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	safed.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	safed.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4928	safed.exe
Token: SeSecurityPrivilege	4928	safed.exe
Token: SeTakeOwnershipPrivilege	4928	safed.exe
Token: SeLoadDriverPrivilege	4928	safed.exe
Token: SeSystemProfilePrivilege	4928	safed.exe
Token: SeSystemtimePrivilege	4928	safed.exe
Token: SeProfSingleProcessPrivilege	4928	safed.exe
Token: SeIncBasePriorityPrivilege	4928	safed.exe
Token: SeCreatePagefilePrivilege	4928	safed.exe
Token: SeBackupPrivilege	4928	safed.exe
Token: SeRestorePrivilege	4928	safed.exe
Token: SeShutdownPrivilege	4928	safed.exe
Token: SeDebugPrivilege	4928	safed.exe
Token: SeSystemEnvironmentPrivilege	4928	safed.exe
Token: SeChangeNotifyPrivilege	4928	safed.exe
Token: SeRemoteShutdownPrivilege	4928	safed.exe
Token: SeUndockPrivilege	4928	safed.exe
Token: SeManageVolumePrivilege	4928	safed.exe
Token: SeImpersonatePrivilege	4928	safed.exe
Token: SeCreateGlobalPrivilege	4928	safed.exe
Token: 33	4928	safed.exe
Token: 34	4928	safed.exe
Token: 35	4928	safed.exe
Token: 36	4928	safed.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4928	safed.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 4928	4296	JaffaCakes118_98e5f335a2c2bbfe4a93c31b368657a1.exe	88
PID 4296 wrote to memory of 4928	4296	JaffaCakes118_98e5f335a2c2bbfe4a93c31b368657a1.exe	88
PID 4296 wrote to memory of 4928	4296	JaffaCakes118_98e5f335a2c2bbfe4a93c31b368657a1.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98e5f335a2c2bbfe4a93c31b368657a1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98e5f335a2c2bbfe4a93c31b368657a1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Users\Admin\AppData\Local\Temp\safed.exe
  C:\Users\Admin\AppData\Local\Temp\\safed.exe
  2⤵
  - Windows security bypass
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\safed.exe

Filesize
745KB

MD5
76acac9876ed09dd4350b7c0ea0eb2ac

SHA1
85e0ccd3cdf40ad35d36d7d10ea8e83dcd82e767

SHA256
c100fec2251dce25dd3c258d2437d0fd24a799ac721a328f83bf22b66fe572ea

SHA512
5df268066278d723065254a28e65298bbf17f382d3d57b9b0946f5575f7ab358e3b5cbab5cbcd2435ebce18c0811a9789a0bb257e5d8c08fe41099e918be1519

Download Submit
memory/4296-16-0x00007FF838820000-0x00007FF8391C1000-memory.dmp

Filesize
9.6MB

Download
memory/4296-0-0x00007FF838AD5000-0x00007FF838AD6000-memory.dmp

Filesize
4KB

Download
memory/4296-3-0x00007FF838820000-0x00007FF8391C1000-memory.dmp

Filesize
9.6MB

Download
memory/4296-4-0x0000000001660000-0x0000000001686000-memory.dmp

Filesize
152KB

Download
memory/4296-5-0x000000001BC80000-0x000000001BD26000-memory.dmp

Filesize
664KB

Download
memory/4296-6-0x000000001C7C0000-0x000000001C85C000-memory.dmp

Filesize
624KB

Download
memory/4296-7-0x0000000001630000-0x0000000001638000-memory.dmp

Filesize
32KB

Download
memory/4296-8-0x000000001C960000-0x000000001C9AC000-memory.dmp

Filesize
304KB

Download
memory/4296-1-0x000000001C250000-0x000000001C71E000-memory.dmp

Filesize
4.8MB

Download
memory/4296-2-0x00007FF838820000-0x00007FF8391C1000-memory.dmp

Filesize
9.6MB

Download
memory/4296-15-0x0000000001700000-0x0000000001710000-memory.dmp

Filesize
64KB

Download
memory/4928-27-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-19-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-17-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-23-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-20-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-21-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-22-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-13-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/4928-24-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-25-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-26-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-18-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-28-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-29-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/4928-30-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads